Musical instrument stand



FIG. 1 is a perspective view of a musical instrument stand showing my new design, the broken lines indicating environmental structure and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof. 

The ornamental design for a musical instrument stand, as shown and described. 